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  1. Replies
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    Re: nice new lens, but sticky shutter

    soak a bit of kleenex in kerosene and place it in a sealed container with the shutter. the old lube will absorb the fumes and should soften up a bit.
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    Re: Film in freezer

    the two big problems are warm moist air cooling and causing condensation when in contact with cold film fresh out of the freezer or when trapped in the film's packaging and placed back in the...
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    Re: Methods for cutting 8x10 film down to 5x7

    my cutter has a raised edge at both the front and back, meaning i can have one permanent stop at the front and one at the back and just place the film against the front or back edge for the two cuts....
  4. Re: Crown Graphic age (camera vs focusing panel)

    i wouldn't expect to see that much wear on the gg from loading film holders and barely a mark on the leatherette along the rear edge that would have gotten just as much abuse if the gg were original....
  5. Re: Are Daguerreotype Included in Wet Plate Threads

    easiest way is to have a dim white light at the opposite end of your darkroom and hold the plate so you can see the white light and it's reflection next to each other.
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    Re: New to LF - First shot - Focusing

    or if he wants something more durable,...
  7. Re: STILL LIFE - Lens Thoughts & Recommendations

    if f/9 turns out to be darker than you want to deal with (it'll be f/18 at 1:1), the old chrome schneider enlarger lenses are really nice, if you can use barrel lenses or find a shutter to adapt the...
  8. Re: What is the Most Difficult Large Format Photography

    volvox thrive around here. a bit of methyl cellulose will slow everything down if i have any issues.
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    Re: Wet Plate portrait lens

    you could try taping an electric toothbrush or something to your camera to add just enough vibration to blur out fine wrinkles.
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    Re: Newcomers to LF: First Read The Book

    https://archive.org/search.php?query=view%20camera&and[]=mediatype%3A%22texts%22
  11. Re: What is the Most Difficult Large Format Photography

    well, i know underwater large format photography of moving subjects has been done with a graflex slr and if i remember right they used a massive amount of flash powder rigged up on a floating...
  12. Re: What is the Most Difficult Large Format Photography

    two of my student scopes are this type.
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    the top screws off so i can just use direct projection straight up through my speed graphic with no obstructions. with the other monocular scopes i...
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    Re: How do I remove mold on LF lens

    yeah, that's not mold. if it's not affecting image quality, leave it alone.
  14. Re: What is the Most Difficult Large Format Photography

    i've got a speed graphic, a few basic student microscopes, a stereo zoom kyowa and an old as dirt ao spencer brewmaster with motorized focus and an lcd-based all-in-one darkfield, oblique, etc....
  15. Re: What is the Most Difficult Large Format Photography

    i said MICRO in all caps to make it perfectly clear that i meant micro, with a microscope, not macro.
  16. Re: A foolish idea? Creating a positive transparency from a negative

    a single low wattage bulb that evenly illuminates your work surface high above the negatives would be better. one of these will help you figure out exposure times if you don't want to do a bunch of...
  17. Re: What is the Most Difficult Large Format Photography

    i'm planning to do some LF MICRO photography with living subjects at some point. wish me luck.
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    Re: DARKROOM - Electric Questions

    move the safelight and fan switches away from the other switches, you don't want to mix those up.
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    Re: orthochromatic film?

    215410
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    Re: orthochromatic film?

    i know exactly how dichroic filters work. i've clearly explained how in great detail in this thread. you said you can't buy them from b&h, you can, you're wrong, get over it. i don't know why you...
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    Re: orthochromatic film?

    the actual change in brightness of say green to yellow leaves would still have a gradual taper to it because the colour of the leaves includes a wide range of frequencies. not as gradual as with...
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    Re: orthochromatic film?

    i'm seeing lots of talking yourself up and going off on condescending tangents without refuting anything i actually said. "No, you don't get them at places like B&H"...
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    Re: orthochromatic film?

    well yeah. i was just answering his question specifically about filtering pan film. blue sensitive x-ray film would also be a dirt cheap and easy option that can be developed under most safelights.
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    Re: orthochromatic film?

    dichroic filters are essentially mirrors that are transparent to some colours but reflect others with nearly 100% efficiency, which is why they're used in colour enlargers, dlp projection tvs, rgb...
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    Re: orthochromatic film?

    if you want "a Watkins/O'Sullivan look" then you don't want an ortho look, you want the look of plates that were mostly sensitive to blue and violet. with pan film a blue dichroic short pass filter...
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    Re: Need More LIGHT: Should I start PUSHING?

    jesus christ, you're just repeating and agreeing with things i literally just explained multiple times in my other comments as if i didn't understand them and insisting i'm wrong somehow, without...
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    Re: Need More LIGHT: Should I start PUSHING?

    in practical terms, if you want to frame your subject (of any size) a certain way in the final image, the larger your film format is, the higher the magnification needs to be and the more light you...
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    Re: Need More LIGHT: Should I start PUSHING?

    *sigh* ok, time for a math lesson. let's say you have a subject the same size as the image area of 4x5 film. to photograph it with a 4x5 camera requires a 1:1 magnification ratio. a 1:1 magnification...
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    Re: orthochromatic film?

    a cyan dichroic filter would give the best result. https://www.bhphotovideo.com/c/search?Ntt=permacolor%20cyan&N=0&InitialSearch=yes&sts=ma
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    Re: orthochromatic film?

    i have no idea what brand the fpp stuff actually is and would never recommend it to anyone. the FUJIFILM is $49 USD for 600 sheets once you cut it down to 4x5. one box saves you literally thousands...
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    Re: Current 4x5 enlarger options

    i removed the condenser lens and added a sheet of milky white plastic just above the negative stage inside the upper bellows to make it a diffusion head and since the negative stage has a 5" round...
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    Re: Current 4x5 enlarger options

    i got a beseler 23c from a school for free. took like half an hour to modify it to cover 4x5.
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    Re: orthochromatic film?

    ilford's 29 times more expensive than the fujifilm x-ray film i linked to.
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    Re: orthochromatic film?

    https://www.largeformatphotography.info/forum/showthread.php?48099-Use-of-X-ray-film-technical-discussion-with-example-images
    ...
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    Re: Monorail vs. Folding Camera Weight

    i've actually been working on a design for a lightweight wooden monorail and tripod that both fold down flat for easy storage. no budget to actually start building anything right now though.
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    Re: Need More LIGHT: Should I start PUSHING?

    the film itself still requires the same amount of light per square inch, but the larger the format, the higher the magnification needs to be to fill the frame with your subject. higher...
  37. Re: Film holders hair too small for 13x18 - 5x7

    cut a shallow, narrow groove across a block of wood and screw an exacto blade across the groove at an angle. run the edge of the film down the groove.
  38. Re: Use of X-ray film: technical discussion with example images

    a blue filter (or cyan for "green" x-ray film) will make your metering more consistent. add it before trying to figure out your film's iso with test shots.
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    Re: Tired of my ground glass

    i replaced the gg in my speed graphic with frosted plastic film salvaged from a broken lcd monitor, sandwiched between the fresnel and plain glass. very fine grained and even illumination.
  40. Re: Post your critters & plants under the macro lens

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